Error 3-1 or 3-3 — OWI or NTC sensor problem

What does 3-1 or 3-3-Sensor mean?

This error code indicates a fault with either the Optical Soil Sensor (OWI) or the NTC (temperature) sensor.

• Defective OWI sensor.
• Defective NTC temperature sensor.
• Wiring issues to the sensors.
• Sensor calibration error.

Click steps to track your progress.

1. 1

   Refer to the 'Service Error Codes' table for specific sensor diagnostics.

2. 2

   Check the sensors and their wiring for damage or loose connections.

3. 3

   Clean the OWI sensor lens if applicable.

4. 4

   Unplug the dishwasher or disconnect power and measure sensor resistance.

5. 5

   Replace the faulty sensor.